Journal article
Ideal Measurement of Cardiac Output: Is Impedance Cardiography the Answer?
Vascular surgery, v 25(7), pp 550-558
Sep 1991
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The ideal measurement of cardiac output (CO) would be a system that is ac curate, noninvasive, reproducible, continuous, and technician-free. Impedence cardiography (ICG) has the promise of meeting these criteria. The authors have developed a unique ICG system that analyzes the analog signals from an impe dence cardiograph by an original software program. This was compared against standard thermodilution (TD) measurement of CO (CO
TD
) in patients in the in tensive care and heart surgical units.
Simultaneous measurements by CO
TD
and by CO
ICG
were performed in 65 patients. A good correlation was noted between COTD and CO
ICG
over a range of 2.4 to 9.7 L/min (r = 0.73, p < 0.002). If patients with factors known to inter fere with ICG were excluded, an improved correlation was found (r = 0.89, p < .002). CO
ICG
followed a similar trend as CO
TD
even in these excluded pa tients. The reproducibility of the CO
ICG
was good (coefficient of variation = 0.071).
The CO
ICG
was found to be simple and automatic. The results show that it is reproducible and correlates well with CO
TD
. It also has the added advantages of being continuous and noninvasive. Factors such as arrhythmias, severe COPD, and mitral regurgitation were found to interfere with the CO
ICG
values. Over all, the versatility of. CO
ICG
gives the promise of very good noninvasive monitoring in critical care units and preoperative evaluation in the outpatient setting.
Metrics
Details
- Title
- Ideal Measurement of Cardiac Output: Is Impedance Cardiography the Answer?
- Creators
- Edward R. Franko - Long Island Jewish Medical CenterJoseph M. Van De Water - Long Island Jewish Medical CenterXiang Wang - Drexel UniversityXuehang Wang - A.J. Drexel Nanomaterials Institute
- Publication Details
- Vascular surgery, v 25(7), pp 550-558
- Publisher
- Sage
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- A.J. Drexel Nanomaterials Institute
- Web of Science ID
- WOS:A1991GF88400006
- Scopus ID
- 2-s2.0-0025916928
- Other Identifier
- 991019174117604721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Peripheral Vascular Disease
- Surgery